720304866

素因数分解:

$2^1\times 3^3\times {\mathrm{13338979}}^1$

素因数の和:13338990

約数の個数: 16

約数和(自身を含む): 1600677600

約数和(自身を除く): 880372734

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 13338979, 26677958, 40016937, 80033874, 120050811, 240101622, 360152433, 720304866]

約数ペア:

[(1, 720304866), (2, 360152433), (3, 240101622), (6, 120050811), (9, 80033874), (18, 40016937), (27, 26677958), (54, 13338979)]